.PlatformUI-FieldValidator,
.PlatformUI-ElementValidator {
    padding: 3px;
    
    background-color: #cc0000;
    background-image: linear-gradient(to bottom, #cc0000 0%, #a80000 100%);
    -ms-filter: "progid:DXImageTransform.Microsoft.Gradient(startColorStr='#cc0000', endColorStr='#a80000')";
    
    color: white;
    font-weight: bold;
    border: 1px solid #990000;

    box-shadow: 0px 0px 10px 0px #aaa;
}
